/*
 * ====================================================================
 * Copyright (C) 2013 Eric Blond
 *
 * This file is part of Neptune.
 *
 * Neptune is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Neptune is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Neptune.  If not, see <http://www.gnu.org/licenses/>.
 * ====================================================================
 */

package com.hyperplan.neptune.command;

import java.util.Map;

public abstract class Command {

	public abstract String getName();
	public abstract String[] getParameters();
	public abstract void execute(Map<String, String> mapping) throws Exception;
	
	protected boolean parseBoolean(String text) throws Exception {
		String lowered = text.toLowerCase();
		if (lowered.equals("true") || lowered.equals("yes")
				|| lowered.equals("1")) {
			return true;
		} else if (lowered.equals("false") || lowered.equals("no")
				|| lowered.equals("0")) {
			return false;
		} else {
			throw new Exception(String.format("Value [%s] is not a boolean", text));
		}
	}
}
